Home / 150,621.22-207,857.53-83,553.22

Finding the Fourth Proportional to 150,621.22, 207,857.53 and 83,553.22

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Solution

The fourth proportional to 150,621.22, 207,857.53 and 83,553.22 is: 115,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,621.22 : 207,857.53 = 83,553.22 : x
  2. Step 2: Convert to fraction form
    150,621.22/207,857.53 = 83,553.22/x
  3. Step 3: Cross multiply
    150,621.22x = 207,857.53 × 83,553.22
  4. Step 4: Simplify right side
    150,621.22x = 17,367,165,932.75
  5. Step 5: Solve for x
    x = 17,367,165,932.75/150,621.22
  6. Step 6: Final answer
    x = 115,303.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.